RCF W390

15" · 4 Ω · 1000 W · 100 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	46.4 Hz
Qts	0.299
Qes	0.31
Qms	8.38
Vas	87.7 L
Sd	854.8 cm²
Xmax	6 mm
Re	3.6 Ω
Bl	21.6 T·m
Mms	137.4 g
Pe	1000 W
Sensitivity	100 dB

Alignment hint

EBP	150 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 19.1 L

EBP > 100: favours a ported (bass-reflex) alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Sica 15 K 4 PL	46.5 +0.1	0.3 =	102.3 +14.6	8 +2	99.2 -0.8	close	8 Ω vs 4 Ω: amp load changes	+
B&C 14 NDL 88	45 -1.4	0.298 =	102 +14.3	6.7 +0.7	98.8 -1.2	close	8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling	+
Beyma 15"P1000Fe V2	45 -1.4	0.3 =	80.7 -7	8 +2	98 -2	close	8 Ω vs 4 Ω: amp load changes	+
Ciare NDH 15-4	48.6 +2.2	0.312 +0.01	96.9 +9.2	5.9 -0.1	98.6 -1.4	close	8 Ω vs 4 Ω: amp load changes · Xmax 5.9 mm < 6 mm: lower excursion-limited SPL	+
Sica 15 F 4 CP	46.4 =	0.27 -0.03	97 +9.3	7 +1	99.4 -0.6	close	8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling	+
B&C 15 NA 100	47 +0.6	0.277 -0.02	88 +0.3	5.1 -0.9	98.9 -1.1	close	8 Ω vs 4 Ω: amp load changes · Xmax 5.1 mm < 6 mm: lower excursion-limited SPL	+
B&C 15NA100	47 +0.6	0.28 -0.02	88 +0.3	10 +4	98 -2	close	8 Ω vs 4 Ω: amp load changes	+
Beyma 15MC700Nd	49 +2.6	0.31 +0.01	105 +17.3	7 +1	100 =	close	8 Ω vs 4 Ω: amp load changes · 700 W vs 1000 W: lower power handling	+
Beyma 15P1200Nd	45 -1.4	0.316 +0.02	84 -3.7	6.8 +0.8	97.4 -2.6	close	8 Ω vs 4 Ω: amp load changes	+
BMS 15CN860	46 -0.4	0.276 -0.02	102 +14.3	6 =	98.7 -1.3	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the W390 →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.